In this paper a macro-cracking in the medium casing which is a heavysectioncasting of 261 turbogenerator was investigated by SEM, EDAX and others.
采用扫描电镜断口分析、微区能谱分析等方法研究了261汽轮机中汽缸大型铸件开裂问题。
2
The producing process of a kind of micro-chill suitable for suspension casting of heavysection ductile iron is briefly described.
简要介绍了一种适合于大断面球铁悬浮铸造用微型冷铁的制备工艺;
3
Solidification microstructures in heavysection high manganese steel casting were simulated using coupling cellular automaton(CA)and finite element method(FEM).